Use the following information to answer the question. A high school boys cross country coach performs a regression to predict the finish times of runners in the 10k event from the number of minutes of training in the previous week. The output is shown below. Assume that the conditions of the linear regression model hold.

-The coach wants to predict the finish time of his top runner who trained for 180 minutes the previous week. Should the coach use a confidence interval or a prediction interval?
A)Confidence Interval
B)Prediction Interval

Question

Use the following information to answer the question. A high school boys cross country coach performs a regression to predict the finish times of runners in the 10k event from the number of minutes of training in the previous week. The output is shown below. Assume that the conditions of the linear regression model hold.
 
-The coach wants to predict the finish time of his top runner who trained for 180 minutes the previous week. Should the coach use a confidence interval or a prediction interval?
A)Confidence Interval 
B)Prediction Interval

Quizplus · Accepted Answer

A prediction interval should be used because it estimates the range in which a single new observation (the runner's finish time) is likely to fall.

Use the Following Information to Answer the Question